Exchange of bibliographical references on coal production methods.
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Publication
1957 - United Nations, Geneva
Language
English
Word Count
10,000 words, Guess
Page Count
40 pages
Identifiers
- Open LibraryOL17222491M
- Library of Congress Control Number62051158
- OCLC Control Number21727529
Classifications
- LCCZ6738 C6 U53
- LCCJX1977 .A2
Subjects
Topics
BibliographyCoal mines and miningLiterary and scientific ExchangeExchange, Literary and scientificCoal mines and mining -- Bibliography
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